On Fri, Apr 9, 2010 at 1:36 PM, John Tang Boyland
<[email protected]> wrote:
> ] cmdebug or it didn't happen.
> ]
> ] On Fri, Apr 9, 2010 at 12:08 PM, John Tang Boyland
> ] <[email protected]> wrote:
> ] > We get an occasional deadlock happening on Solaris 5.10 using
> ] > OpenAFS 1.4.11.  After the problem starts, any attempt to use AFS
> ] > on the machine freezes:  For example:
>
> I foolishly thought that with every AFS access deadlocking, cmdebug
> wouldn't work.  But it does....

That's the best time to try it.


>
> ** Cache entry @ 0xa26da3f0 for 1.536875155.530.1418 [cs.uwm.edu]
>    locks: (reader_waiting, write_locked(pid:17732 at:250), 2 waiters)
>           26532 bytes  DV          197  refcnt     3
>    callback 00000000   expires 1270781645
>    1 opens     0 writers
>    normal file
>    states (0x0)

ok, that's the rdwr vnode op, so that makes some sense.

> ** Cache entry @ 0xa27651d0 for 1.536875155.608.1458 [cs.uwm.edu]
>    locks: (upgrade_waiting, write_locked(pid:17679 at:66), 12 waiters)
>        19094744 bytes  DV          109  refcnt    13
>    callback 00000000   expires 1270782798
>    0 opens     0 writers
>    normal file
>    states (0x0)

and 66 is GetDCache

> ** Cache entry @ 0xa2710018 for 1.536875155.610.1499 [cs.uwm.edu]
>    locks: (none_waiting, write_locked(pid:17889 at:250))
>           23240 bytes  DV            1  refcnt     1
>    callback 00000000   expires 1270782798
>    1 opens     0 writers
>    normal file
>    states (0x0)
> ** Cache entry @ 0xa26bf000 for 1.536873892.1.1 [cs.uwm.edu]
>    locks: (writer_waiting, 7 read_locks(pid:18421), 41 waiters)
>            2048 bytes  DV            8  refcnt    49
>    callback 00000000   expires 1270774475
>    0 opens     0 writers
>    volume root
>    states (0x4), read-only
> ** Cache entry @ 0xa27c99a0 for 1.536874783.4234.9047 [cs.uwm.edu]
>    locks: (none_waiting, write_locked(pid:17834 at:250))
>            1641 bytes  DV            1  refcnt     1
>    callback 00000000   expires 1270782797
>    1 opens     0 writers
>    normal file
>    states (0x0)

Can you get the fids of the  files in question?





-- 
Derrick
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